A total of 95 chromosome segment substitution lines (CSSLs) derived from 9311 and Nipponbare was used to detect quantitative trait loci (QTLs) controlling the lysine content of rice. The result showed that the lysine content of seven CSSLs differed from that of 9311. Totally four QTLs for the lysine content of rice were preliminary mapped on the chromosomes 8, 9 and 12 by substitution mapping. Among these QTLs, qHLY8 and qHLY9.2 were both contributed by the indica variety 9311 with high lysine content with the positive effect percentage being 9.6% and 8.5%, respectively; while qHLY9.1and qHLY12 were derived from the japonica variety Nipponbare with low lysine content with the negative effect percentage of -160% and -21.3%, respectively.
LIN Jing, ZHU Zhen, FANG Xianwen, WANG Yanping, ZHANG Suobing, WANG Cailin*
. Mapping of QTLs for Rice Lysine Content Using Chromosome Segment Substitution Lines[J]. Chinese Journal OF Rice Science, 2012
, 26(6)
: 737
-740
.
DOI: 10.3969/j.issn.10017216.2012.06.014
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